| 摘要 |
PURPOSE:To obtain excellent vibration proof performance in ones formed into one body by connecting an inner cylinder metal and an outer cylinder metal with a rubber elastic body by forming a fluid chamber filled with non- compressive fluid between the both metals, and containing in the fluid chamber a movable member in a way to freely shift. CONSTITUTION:An upper support 18 is constituted by arranging nearly concentrically an outer cylinder metal 12 on the outside in the radial direction of an inner cylinder metal 10 at a specified distance, and connecting both metals 10, 12 monolithically with rubber elastic bodies 14, 16 inserted between them. A shock absorber is installed on the inner cylinder metal 10 while the outer cylinder metal 12 is fixed on a car body, to let the shock absorber support the car body to resist vibration. In such an upper support 18, a circular fluid chamber 60 is formed between the rubber elastic bodies 14, 16 and non- compressive fluid is filled into it. Furthermore, a movable block 62 nearly corresponding to the inner circumferential shape of the fluid chamber 60 and having a circumferential shape a size smaller than the inner circumferential shape is contained in the fluid chamber 60 in a way to freely shift. |
